Cancel Order

Cancel an existing order on the Polymarket CLOB.

POST /2/pm/order/cancel

Cancel prediction market order

cURL

curl --request POST \
  --url https://demo-api.mobula.io/api/2/pm/order/cancel \
  --header 'Content-Type: application/json' \
  --data '
{
  "orderId": "<string>",
  "address": "<string>",
  "apiKey": "<string>",
  "apiSecret": "<string>",
  "apiPassphrase": "<string>"
}
'

200

{
  "data": {
    "canceled": [
      "<string>"
    ],
    "notCanceled": [
      "<string>"
    ]
  },
  "hostname": "<string>",
  "took": 123
}

Alpha — This endpoint is part of the Prediction Markets API, currently in early access. May change without notice.

Request Body

orderId · string · required

The CLOB order ID to cancel (returned when the order was submitted).

address · string · required

The wallet address that placed the order.

apiKey · string · required

CLOB API key (obtained from Auth Derive).

apiSecret · string · required

CLOB API secret (obtained from Auth Derive).

apiPassphrase · string · required

CLOB API passphrase (obtained from Auth Derive).

Response

data · object

CLOB cancellation response.

Show Cancel Response

canceled · string[]

Array of order IDs that were successfully canceled.

notCanceled · string[]

Array of order IDs that could not be canceled.

hostname · string

Server node identifier.

took · number

Request processing time in milliseconds.

Usage Example

curl -X POST "https://api.mobula.io/api/2/pm/order/cancel" \
  -H "Content-Type: application/json" \
  -d '{
    "orderId": "0xabc123...",
    "address": "0xYourWalletAddress",
    "apiKey": "your-clob-api-key",
    "apiSecret": "your-clob-api-secret",
    "apiPassphrase": "your-clob-passphrase"
  }'

Body

application/json

orderId · string · required

address · string · required

Wallet address

apiKey · string · required

apiSecret · string · required

apiPassphrase · string · required

Response

200 - application/json

Cancel result

data · object

Show child attributes

hostname · string

took · number